Synonyms: 8,9-dimethoxy-2-(prop-1-en-2-yl)-1,2-dihydrochromeno[3,4-b]furo[2,3-h]chromene-6,12-dione;4439-62-7;AC1Q6KOV;(1)Benzopyrano(3,4-b)furo(2,3-h)(1)benzopyran-6,12-dione, 1,2-dihydro-8,9-dimethoxy-2-(1-methylethenyl)-, (R)-;AC1L4151;AR-1H4186;NSC219968;NSC 219968;NSC-219968